Impedance characterization of high frequency power electronic circuits

Meisser, Michael; Haehre, Karsten; Kling, Rainer

doi:10.1049/cp.2012.0240

Cited by 5 publications

(3 citation statements)

References 5 publications

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“…In industry, electrical impedance has an important role in component characterizations of different measurement systems in several industrial domains, for example, the characterization of electronic circuits [1,2], biological tissues [3,4], geology [5], medicine [6,7], agri-food industry [8] or automotive industry [9,10]. Calibration of electrical impedances is a fundamental step to determine its value as a function of frequency.…”

Section: Introductionmentioning

confidence: 99%

New impedance bridge at LNE for the two terminal-pair AC resistor calibration up to 20 kHz

Ouameur¹,

Vasconcellos²,

Agazar³

et al. 2022

Metrologia

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This paper presents the evolution of LNE’s impedance bridge (Wheatstone bridge) used to calibrate AC resistors defined in the two terminal-pair (2TP) configuration. A new automated Wheatstone bridge, based on 4 resistances, was developed to operate in the full complex plane for resistances ranging from 400 Ω to 2 MΩ and for frequencies up to 20 kHz. A commercial dual precision arbitrary waveform generator supplies the bridge and PXI modules achieve the balance. A phase and frequency synchronization solutions between the arbitrary waveform generator source and the PXI modules were used. The choice of these instruments allows the bridge to be easily automated and to benefit from recent progress in the development of digital analog converters, in particular those with high frequency sampling rates and resolution. The bridge is mainly dedicated to realize the periodic calibration of LNE’s standard resistors, used for routine customer calibrations. The traceability of LNE’s standard resistors is ensured, firstly, by the calibration of a 1 kΩ resistor by comparison to a calculable resistor up to 20 kHz. Then, this resistor is used as a reference element to ensure the traceability of all LNE’s standard resistors using the new bridge. The validation was done by comparing the results obtained, for some resistors with very low drift, with those obtained during calibrations performed in 1983, 1995 and 2009. For resistors of 1 kΩ in a 1:1 ratio, the expanded uncertainty of series resistance variation and argument are, respectively, less than 1.3 µΩ/Ω (k = 1) and 1.2 µrad (k = 1), up to 20 kHz.

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Section: Introductionmentioning

confidence: 99%

New impedance bridge at LNE for the two terminal-pair AC resistor calibration up to 20 kHz

Ouameur¹,

Vasconcellos²,

Agazar³

et al. 2022

Metrologia

View full text Add to dashboard Cite

show abstract

“…The author in (Suntio, 2009) showed that switched-mode power supplies can be fully characterized and controlled by a certain set of frequency responses. The authors in (Meisser et al, 2012) applied impedance-spectra characterization for obtaining the values of parasitic circuit components from practical switched-mode power supplies in order to avoid destructive resonances and to reduce electromagnetic radiation. The useful frequency range varied from a few Hertz to up to 100 MHz.…”

Section: Introductionmentioning

confidence: 99%

Rapid High-Frequency Measurements of Electrical Circuits by Using Frequency Mixer and Pseudo-Random Sequences

Roinila¹,

Luhtala²,

Salpavaara³

et al. 2016

MIC

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Frequency-response measurements at high frequencies have been shown to provide a valuable design tool in various fields of electronics. These measurements are often challenging when using most commercially available measurement tools due to their relatively low maximum sampling frequency and long measurement time. This effectively prevents frequency-response-based low-cost applications where fast and reliable measurements are required. This paper proposes the use of a combined frequency mixer applied with pseudo-random sequences. In this method, the applied pseudo-random excitation is upconverted to high frequencies by the mixer, and once injected into the device being tested, the system response is downconverted to lower frequencies. The method provides a low-cost solution that can be applied for rapid high-frequency measurements by using only modest data-acquisition tools. Experimental results based on a high-frequency resonator are presented and used to demonstrate the effectiveness of the proposed methods.

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“…Research on common-mode noise mitigation has received great attention since the introduction of electromagnetic interference (EMI) regulations [1][2][3][4][5][6][7][8]. Among the existing approaches, design of transformers with minimized interwinding parasitic capacitance and utilization of suitable topologies is a very typical approach.…”

Section: Introductionmentioning

confidence: 99%

Design of a 300-Watt Isolated Power Supply with Minimized Circuit Input-to-Output Parasitic Capacitance

Nguyen-Duy

Petersen

Knott

et al. 2014

7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014)

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This paper presents the design of a 300-Watt isolated power supply for MOS gate driver circuit in medium and high voltage applications. The key feature of the developed power supply is having a very low circuit input-to-output parasitic capacitance, thus maximizing its noise immunity. This makes it suitable for modular stacking applications. The converter is a voltage-controlled current source, utilizing a transformer that has an extremely low inter-winding parasitic capacitance. The experiments show that an overall circuit input-to-output parasitic capacitance of 10 pF can be achieved. Design analysis and experimental results are provided to prove the feasibility of the converter.

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Impedance characterization of high frequency power electronic circuits

Cited by 5 publications

References 5 publications

New impedance bridge at LNE for the two terminal-pair AC resistor calibration up to 20 kHz

New impedance bridge at LNE for the two terminal-pair AC resistor calibration up to 20 kHz

Rapid High-Frequency Measurements of Electrical Circuits by Using Frequency Mixer and Pseudo-Random Sequences

Design of a 300-Watt Isolated Power Supply with Minimized Circuit Input-to-Output Parasitic Capacitance

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